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This probabilistic forecast is issued by the North Central River Forecast Center.
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About this graph
Forecasts for the Vermilion River (N-IL) at Pontiac are issued as needed during times of high water, but are not routinely available.
Return to Area Map

Downstream Gauge Downstream Gauge - near Leonore
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 18
Moderate Flood Stage: 15
Flood Stage: 14
Action Stage: 13
Low Stage (in feet): -9999

Historic Crests
(1) 19.18 ft on 01/09/2008
(2) 19.16 ft on 12/04/1982
(3) 18.12 ft on 06/03/1980
(4) 17.90 ft on 07/10/1951
(5) 17.46 ft on 05/14/1970
(6) 17.38 ft on 12/29/2015 (P)
(7) 17.23 ft on 01/14/2005
(8) 17.20 ft on 04/28/1957
(9) 16.64 ft on 03/12/1990
(10) 16.35 ft on 05/13/2002
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 17.38 ft on 12/29/2015 (P)
(2) 14.59 ft on 07/12/2015
(3) 12.51 ft on 02/22/2014
(4) 15.04 ft on 06/01/2013
(5) 10.56 ft on 05/08/2012
(6) 12.02 ft on 04/23/2011
(7) 14.83 ft on 12/31/2009
(8) 14.83 ft on 10/31/2009
(9) 19.18 ft on 01/09/2008
(10) 12.51 ft on 04/18/2006
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.17 ft on 07/01/2012
(2) 2.25 ft on 10/01/2007
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
18 Residential areas flood in Pontiac.
15 Floodwaters approach some low lying homes upstream of Mill Street in Pontiac. Portion of Rt 116 floods in rural areas east and west of town.
14 Rural flooding begins to low lying areas near river.
13 Extensive flooding in Chatauqua Park in Pontiac.
10 Lowest areas near the river begin to flood.

Other Real-time and/or Archive Data Sources:
Additional Information Collapse
How much forecast precipitation was used for the current river forecast?
USGS Streamflow Duration Hydrograph
How low could the river get?
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
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